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`r = sqrt( "v" /(pi * "h" ))`

Enter a value for all fields

The **Radius of a Cylinder** calculator computes the radius of a right circular cylinder from the height (h) and volume (V) (see diagram).

**INSTRUCTIONS:** Choose units and enter the following:

- (
**V**) This is the volume of the cylinder - (
**h**) This is the height of the cylinder

**Radius (r):** The calculator returns the radius in meters. However, this can be automatically converted to many other length units (e.g. inches) via the pull-down menu.

The formula for the radius of a cylinder is:

`r = sqrt(V/(π*h))`

where:

- r is the radius of the cylinder
- V is the Volume of a Cylinder
- h is the height of the cylinder

- Compute the
**Lateral Surface Area (sides) of a Cylinder**based on height and radius. - Compute the
**Total Surface Area of a Cylinder**including the sides, top and bottom. - Compute the
**Volume of a Cylinder**based on cylinder height and radius - Compute the
**Height of a Cylinder**based on the volume and radius. - Compute the
**Radius of a Cylinder**based on the volume and height. - Compute the
**Mass or Weight of a Cylinder**based on the volume and mean density of the cylinder. - Compute the
**Density of a cylinder**. **Time to Drain a Cylinder**based on Torricelli's Law of gravity flow of water.- Compute the
**Lateral Surface Area of a Slanted Cylinder**. - Compute the
**Volume of a Slanted Cylinder**. - Compute the
**Weight or Mass of a Slanted Cylinder**. - Compute the moment of inertia of a cylinder shaped object based around the central axis
- Compute the moment of inertia of a cylinder shaped object around the end of the cylinder
- Compute the moment of inertia of a cylinder shaped object perpendicular to the central axis.
- Look up the mean density of common substances (useful in calculating the mass/weight and the moments of inertia)